CN110797783A - Multipurpose 10kV switch, PT of liftable transport dolly - Google Patents

Multipurpose 10kV switch, PT of liftable transport dolly Download PDF

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Publication number
CN110797783A
CN110797783A CN201911158876.8A CN201911158876A CN110797783A CN 110797783 A CN110797783 A CN 110797783A CN 201911158876 A CN201911158876 A CN 201911158876A CN 110797783 A CN110797783 A CN 110797783A
Authority
CN
China
Prior art keywords
upright post
transmission shaft
bevel gear
switch
tray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911158876.8A
Other languages
Chinese (zh)
Inventor
王晋
杨世严
江诗宏
李志强
王基发
邹源
燕飞
管毓俊
邹超
刘明敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Yangtze Power Co Ltd
Original Assignee
China Yangtze Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Yangtze Power Co Ltd filed Critical China Yangtze Power Co Ltd
Priority to CN201911158876.8A priority Critical patent/CN110797783A/en
Publication of CN110797783A publication Critical patent/CN110797783A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B66F7/14Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Abstract

The utility model provides a multipurpose 10kV switch, PT transportation dolly of liftable, it includes the frame, and the frame includes right roof beam, left beam, and right roof beam and left beam pass through the connecting piece to be connected, are equipped with the tray between right roof beam and the left beam, and the tray passes through elevating system to be connected with right roof beam and/or left beam, and tray accessible elevating system rises to the top of right roof beam, left beam or descends to the bottom of right roof beam, left beam in vertical direction. The invention aims to solve the technical problems that the existing switch transfer trolley cannot well enable a switch to be lowered to a height close to the ground, and the switch transfer trolley is difficult to push to the ground smoothly.

Description

Multipurpose 10kV switch, PT of liftable transport dolly
Technical Field
The invention belongs to the field of electric power overhaul facility equipment, and particularly relates to a liftable multipurpose 10kV switch and PT transfer trolley.
Background
The high-voltage switch equipment is an important component of power transmission and distribution, is important power transmission and distribution equipment in the power industry, has close relationship with national economy and social development, and has been rapidly developed in recent years, but the complex diversity of the high-voltage switch equipment is always an examination on the safe operation and maintenance of a switch, and the safety concept of people is greatly changed, so that the subjectivity of people, the needs of people, the protection of people and the like are highly emphasized. The security and reliability of the device is raised to a higher level.
Patent document with application publication number CN107732735A discloses a lifting platform is transported to cubical switchboard circuit breaker, and it mainly includes the support of two vertical settings, is provided with the guide rail on the support, is provided with the hydraulic jack of elevating movement on it on the guide rail of support, and the bottom of jack is provided with the elevating platform that is used for placing the cubical switchboard circuit breaker, and hydraulic lifting device transversely puts at the support top. The lifting platform can well lift through the hydraulic jack, manual mechanical operation force is reduced, and the problem that transfer trucks with different height specifications cannot be used universally is solved.
At present, in the power industry, the weight of a 10kV switch body is about 110kg, the currently-equipped switch transfer trolley model is of a fixed frame structure and does not have a lifting function, if a plurality of switches are overhauled together, the transfer trolleys with corresponding quantity must be configured, and in the process of pushing and pulling, the switches have the risk of falling. Switch transfer trolleys which can be lifted through a steel wire rope or a hydraulic mechanism exist in the industry, but the two methods cannot ensure that the switch has enough safety when a part fails, and cannot enable the switch to be lowered to a height close to the ground so that the switch can be smoothly pushed to the ground. Therefore, the invention is especially necessary for the liftable transfer trolley which is generally used for transferring the 10kV switch and the PT.
Disclosure of Invention
The invention aims to solve the technical problems that the existing switch transfer trolley cannot well enable a switch to be lowered to a height close to the ground, and the switch transfer trolley is difficult to push to the ground smoothly.
The utility model provides a multipurpose 10kV switch, PT transportation dolly of liftable, it includes the frame, and the frame includes right roof beam, left beam, and right roof beam and left beam pass through the connecting piece to be connected, are equipped with the tray between right roof beam and the left beam, and the tray passes through elevating system to be connected with right roof beam and/or left beam, and tray accessible elevating system rises to the top of right roof beam, left beam or descends to the bottom of right roof beam, left beam in vertical direction.
The tray lifting device further comprises a power device, and the power device transmits power to the lifting mechanism to enable the tray to ascend or descend.
All be equipped with power device on right beam and the left beam, power device includes on left beam, right beam and along the fixed lead screw that is equipped with of vertical direction, tray and nut seat fixed connection in the side, nut seat and lead screw pass through threaded connection, thereby the lead screw rotates and makes nut seat up-and-down motion drive tray up-and-down motion.
The power device further comprises a handle, a first handle bearing seat and a second handle bearing seat, a first handle transmission shaft and a second handle transmission shaft are arranged in the first handle bearing seat, the outer side section of the second handle transmission shaft is fixedly connected with the handle, a second straight gear is arranged on the inner side of the second handle transmission shaft, a sixth bevel gear and a first straight gear are arranged on the first handle transmission shaft, and the second straight gear is meshed with the first straight gear.
The power device also comprises a first transmission shaft and a second transmission shaft, wherein a fifth bevel gear is arranged at the upper end of the second transmission shaft, a first bevel gear is arranged at the lower end of the second transmission shaft, a fourth bevel gear is arranged at the lower end of the screw rod, and the first transmission shaft is meshed with the first bevel gear through the second bevel gear at one end and meshed with the fourth bevel gear through the third bevel gear at the other end.
The power device is symmetrically arranged on the right beam and the left beam and is connected with the power device through a coupling mechanism, the coupling mechanism comprises a fourth transmission shaft and a fifth transmission shaft, the fourth transmission shaft and the fifth transmission shaft are connected through a transmission shaft coupling at a connecting part, the fifth transmission shaft is meshed with the first bevel gear at the other end through an eleventh bevel gear, the fourth transmission shaft is connected with the power device on the other side at the other end through a tenth bevel gear, the power device on the other side comprises a screw rod and a third transmission shaft, and the screw rod is meshed with an eighth bevel gear arranged at the end part of the third transmission shaft through a seventh bevel gear arranged at the lower end.
The ball screw is a ball screw, the nut seat is a ball nut seat, and the ball screw is fixed on the frame through a lower bearing seat of the screw and an upper bearing seat of the screw.
When the eighth bevel gear and the third bevel gear of the transmission device respectively drive the seventh bevel gear and the fourth bevel gear, the ball screws on the left side and the right side synchronously rotate, and the tray is driven to lift under the action of the ball nuts and the ball nut seats, so that the switch lifting is realized.
The left beam is provided with a left rear upright post, a left middle upright post and a left front upright post, and the right beam is provided with a right rear upright post, a right middle upright post and a right front upright post; and mounting grooves are formed between the right middle upright post and the right rear upright post as well as between the left middle upright post and the left beam, and the screw rod is arranged in the mounting grooves through a screw rod upper bearing seat and a screw rod lower bearing seat.
Guide rails are arranged on the left rear upright post, the left middle upright post, the left front upright post, the right rear upright post, the right middle upright post and the right front upright post, and the tray slides on the guide rails through a middle upright post sliding block, a rear upright post bracket and a rear upright post sliding block which are arranged on the side surface.
By adopting the technical scheme, the following technical effects can be brought:
1) the lifting and descending of the 10KV switch can be well realized by lifting the tray, and the overhauling operation of operation and maintenance personnel can be facilitated;
2) the lifting mechanism is different from a traditional steel wire rope or a traditional hydraulic mechanism, can safely and stably realize the lifting and lowering of the tray, improves the stability of the switch during lifting, and greatly reduces the risk of falling of the switch;
3) compared with the prior art, the switch can be well lowered to the height close to the ground, the height gap between the tray and the ground is greatly reduced, and the difficulty of loading and unloading the switch on and off the tray by operation and maintenance personnel is reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIGS. 1 and 2 are schematic views of the overall structure of the present invention;
fig. 3 is a schematic structural diagram of the meshing of partial structural gears in the power device of the invention.
Detailed Description
As shown in fig. 1 to 3, the liftable multipurpose 10kV switch and PT transfer trolley comprises a frame, wherein the frame comprises a right beam 1 and a left beam 15, the right beam 1 is connected with the left beam 15 through a connecting piece, a tray 14 is arranged between the right beam 1 and the left beam 15, the tray 14 is connected with the right beam 1 and/or the left beam 15 through a lifting mechanism, and the tray 14 can be lifted to the top end of the right beam 1 and the left beam 15 or lowered to the bottom end of the right beam 1 and the left beam 15 in the vertical direction through the lifting mechanism.
A power unit is also included, which transmits power to the elevating mechanism to raise or lower the tray 14.
All be equipped with power device on right beam 1 and left beam 15, power device includes on left beam 15, right beam 1 and along the fixed lead screw that is equipped with of vertical direction, tray 14 is in side and nut seat fixed connection, nut seat and lead screw pass through threaded connection, thereby the lead screw rotates thereby makes nut seat up-and-down motion drive tray 14 up-and-down motion.
Regarding the specific structure of the power device, the power device further comprises a handle 31, a first handle bearing seat 29 and a second handle bearing seat 30, a first handle transmission shaft 51 and a second handle transmission shaft 52 are arranged in the first handle bearing seat 29, the outer side section of the second handle transmission shaft 52 is fixedly connected with the handle 31, a second straight gear 53 is arranged on the inner side of the second handle transmission shaft 52, a sixth bevel gear 49 and a first straight gear 50 are arranged on the first handle transmission shaft 51, and the second straight gear 53 is meshed with the first straight gear 50.
Further, the power device further comprises a first transmission shaft 44 and a second transmission shaft 47, wherein a fifth bevel gear 48 is arranged at the upper end of the second transmission shaft 47, a first bevel gear 42 is arranged at the lower end of the second transmission shaft, a fourth bevel gear 46 is arranged at the lower end of the screw rod, the first transmission shaft 44 is meshed with the first bevel gear 42 through a second bevel gear 43 at one end, and is meshed with the fourth bevel gear 46 through a third bevel gear 45 at the other end.
In order to realize the operation of the power device on one side to link the power device on the other side, the power devices arranged on the right beam 1 and the left beam 15 are symmetrically connected through a coupling mechanism, the coupling mechanism comprises a fourth transmission shaft 59 and a fifth transmission shaft 64, the fourth transmission shaft 59 and the fifth transmission shaft 64 are connected through a transmission shaft coupling 63 at a connecting part, the fifth transmission shaft 64 is meshed with the first bevel gear 42 through an eleventh bevel gear 65 at the other end, the fourth transmission shaft 59 is connected with the power device on the other side through a tenth bevel gear 58 at the other end, the power device on the other side comprises a screw rod and a third transmission shaft 56, and the screw rod is meshed with an eighth bevel gear 55 arranged at the end part of the third transmission shaft 56 through a seventh bevel gear 54 arranged at the lower end.
Specifically, the screw is a ball screw 5, the nut seat is a ball nut seat 3, and the ball screw 5 is fixed on the frame through a screw lower bearing seat 2 and a screw upper bearing seat 27.
When the eighth bevel gear 55 and the third bevel gear 45 of the transmission device drive the seventh bevel gear 54 and the fourth bevel gear 46 respectively, the ball screws on the left side and the right side synchronously rotate, and the tray 14 is driven to lift under the action of the ball nut 4 and the ball nut seat 3, so that the lifting of a switch is realized.
A left rear upright post 24, a left middle upright post and a left front upright post are arranged on the left beam 15, and a right rear upright post 34, a right middle upright post 6 and a right front upright post 13 are arranged on the right beam 1; mounting grooves are formed between the right middle upright post 6 and the right rear upright post 34 as well as between the left middle upright post and the left rear upright post 24 as well as between the left middle upright post and the left beam 15, and the screw rod is arranged in the mounting grooves through the screw rod upper bearing seat 27 and the screw rod lower bearing seat 2.
In order to enhance the stability of the tray in the lifting process and reduce unbalanced force received by the ball screw, guide rails are arranged on the left rear upright post 24, the left middle upright post, the left front upright post, the right rear upright post 34, the right middle upright post 6 and the right front upright post 13, a middle upright post slide block 7, a rear upright post bracket 33 and a rear upright post slide block 25 which are arranged on the side surface of the tray slide on the guide rails, in addition, a positioning knurled bolt 26 is arranged on the tray, and the switch is fixed on the tray.
Example (b):
the frame overall structure mainly comprises a right beam, a left rear upright post, a right rear upright post, a left center upright post, a right center upright post, a left front upright post and a right front upright post, and is used as a bearing part of a switch, and the beam column is internally of a hollow structure.
Handles 28 are arranged on the rear beams at the two sides of the frame, so that the trolley can be conveniently pushed and pulled. The front wheel of the trolley adopts a directional wheel structure, the front wheel 10 is fixed on the front wheel fork 9, the front wheel fork 9 is fixed on the frame through a hinge, and the position of the front wheel fork 9 can be adjusted by rotating the front wheel fine adjustment bolt 8, so that the fine adjustment of the front height of the trolley is realized. The rear wheel of the trolley adopts a universal wheel structure, the universal wheel 40 is fixed on the frame through the rear wheel support sliding block 37, the first rear wheel support 36, the second rear wheel support 38, the third rear wheel support 39 and the fourth rear wheel support 41, the steering can be realized, and meanwhile, the fine adjustment of the rear height of the trolley can be realized through the rear wheel fine adjustment bolt 35.
The power means of the trolley, when in use, generates power when the handle is rocked, with the co-operation of the various gears engaged, being output by sixth bevel gear 49. When the position fixing is needed, the power device can be locked by inserting the positioning spur gear 32, and the purpose of keeping the position is achieved.
The power generated by the power device can be transmitted to the lifting mechanism through the transmission device to enable the lifting mechanism to ascend or descend. The transmission device adopts a transmission mode of a transmission shaft and a bevel gear and is packaged in the hollow frame. When the power device is forced to move, the power output by the sixth bevel gear 49 is transmitted to the bottom of the trolley through the fifth bevel gear 48, the second transmission shaft 47 and the first bevel gear 42, and drives the second bevel gear 43 and the eleventh bevel gear 65 to rotate respectively. The second bevel gear 43 transmits power to the right lifting mechanism of the trolley through the first transmission shaft 44 and the third bevel gear 45; the eleventh bevel gear 65 transmits power to the left lifting mechanism of the trolley through a fifth transmission shaft 64, a transmission shaft coupler 63, a fourth transmission shaft 59, a tenth bevel gear 58, a ninth bevel gear 57, a third transmission shaft 56 and an eighth bevel gear 55, so that the left and right sides of the trolley synchronously move. If the positions of the two sides deviate due to external factors, the shifting fork pushing handle 62 arranged on the base 61 of the linear sliding block unit can be shifted, so that the linear sliding block unit 60 drives the transmission shaft coupler 63, the transmission devices on the left side and the right side are separated temporarily, and the coupler is put into operation when the positions of the two sides are adjusted.
The lifting mechanism of the trolley comprises a ball screw, a slide block, a guide rail and the like. The ball screw 5 is fixed on the frame through the lower bearing seat 2 and the upper bearing seat 27 of the screw, when the eighth bevel gear 55 and the third bevel gear 45 of the transmission device drive the seventh bevel gear 54 and the fourth bevel gear 46 respectively, the ball screws on the left side and the right side synchronously rotate, and the tray 14 is driven to lift through the actions of the ball nut 4 and the ball nut seat 3, thereby realizing the lifting of the switch. In order to strengthen the stability of the tray in the lifting process and reduce unbalanced force received by the ball screw, guide rails are arranged on the middle upright post and the rear upright post, a middle upright post sliding block 7, a rear upright post bracket 33 and a rear upright post sliding block 25 are arranged on the tray, and the smooth movement of the whole tray is realized through the smooth movement of the sliding blocks on the guide rails. In addition, the tray is provided with a positioning knurled bolt 26, so that the switch is fixed on the tray.
In the actual operation process, the trolley needs to be positioned with the switch cabinet door, and the function is realized by the locking ingot module. The main body of the locking ingot module is a trolley positioning frame 20 and a front upright post cross beam 18, front upright post positioning sliding blocks 21 are arranged on two sides of the locking ingot module, and the locking ingot module is fixed on a front upright post of a trolley through a front upright post guide rail 23 and can move up and down. Locating pin 19 is installed to 18 both sides of front column crossbeam, can insert the cubical switchboard door and correspond the aperture and realize aligning, and mid-mounting has location tongue 17, and when the dolly targetting in place, location tongue locking is on the square hole that the dolly corresponds, when the dolly is pulled out to needs, then can switch lock handle 11 on the operating switch lock handle base 12, drives location tongue separation blade 16, makes location tongue and square hole separation, and the dolly can be pulled out. When the locking module needs to be separated from the frame, the front upright cap 22 can be detached, and the module can slide out of the guide rail.

Claims (10)

1. The utility model provides a dolly is transported to multipurpose 10kV switch, PT of liftable which characterized in that: the lifting type parking device comprises a frame, wherein the frame comprises a right beam (1) and a left beam (15), the right beam (1) is connected with the left beam (15) through a connecting piece, a tray (14) is arranged between the right beam (1) and the left beam (15), the tray (14) is connected with the right beam (1) and/or the left beam (15) through a lifting mechanism, and the tray (14) can ascend to the right beam (1) in the vertical direction through the lifting mechanism and can descend to the top end of the right beam (1) and the bottom end of the left beam (15).
2. The liftable multipurpose 10kV switch, PT transfer trolley of claim 1, characterized in that: the tray lifting device further comprises a power device, and the power device transmits power to the lifting mechanism to enable the tray (14) to ascend or descend.
3. The liftable multipurpose 10kV switch, PT transfer trolley of claim 2, characterized in that: all be equipped with power device on right beam (1) and left beam (15), power device includes on left beam (15), right beam (1) and along the fixed lead screw that is equipped with of vertical direction, tray (14) are in side and nut seat fixed connection, nut seat and lead screw pass through threaded connection, thereby the lead screw rotates and makes nut seat up-and-down motion drive tray (14) up-and-down motion.
4. The liftable multipurpose 10kV switch, PT transfer trolley of claim 3, characterized in that: the power device further comprises a handle (31), a first handle bearing seat (29) and a second handle bearing seat (30), a first handle transmission shaft (51) and a second handle transmission shaft (52) are arranged in the first handle bearing seat (29), the outer side section of the second handle transmission shaft (52) is fixedly connected with the handle (31), a second straight gear (53) is arranged on the inner side of the second handle transmission shaft (52), a sixth bevel gear (49) and a first straight gear (50) are arranged on the first handle transmission shaft (51), and the second straight gear (53) is meshed with the first straight gear (50).
5. The liftable multipurpose 10kV switch, PT transfer trolley of claim 4, characterized in that: the power device also comprises a first transmission shaft (44) and a second transmission shaft (47), wherein a fifth bevel gear (48) is arranged at the upper end of the second transmission shaft (47), a first bevel gear (42) is arranged at the lower end of the second transmission shaft, a fourth bevel gear (46) is arranged at the lower end of the screw rod, the first transmission shaft (44) is meshed with the first bevel gear (42) through a second bevel gear (43) at one end, and is meshed with the fourth bevel gear (46) through a third bevel gear (45) at the other end.
6. The liftable multipurpose 10kV switch, PT transfer trolley of claim 5, characterized in that: the power device is symmetrically arranged on the right beam (1) and the left beam (15) and is connected with the power device through a coupling mechanism, the coupling mechanism comprises a fourth transmission shaft (59) and a fifth transmission shaft (64), the fourth transmission shaft (59) and the fifth transmission shaft (64) are connected through a transmission shaft coupling (63) at a connecting part, the fifth transmission shaft (64) is meshed with the first bevel gear (42) through an eleventh bevel gear (65) at the other end, the fourth transmission shaft (59) is connected with the power device at the other side through a tenth bevel gear (58) at the other end, the power device at the other side comprises a screw rod and a third transmission shaft (56), and the screw rod is meshed with an eighth bevel gear (55) arranged at the end part of the third transmission shaft (56) through a seventh bevel gear (54) arranged at the lower end.
7. The liftable multipurpose 10kV switch, PT transfer trolley according to one of claims 3 to 5, characterized in that: the lead screw is a ball lead screw (5), the nut seat is a ball nut seat (3), and the ball lead screw (5) is fixed on the frame through a lead screw lower bearing seat (2) and a lead screw upper bearing seat (27).
8. The liftable multipurpose 10kV switch, PT transfer trolley of claim 7, characterized in that: when the eighth bevel gear (55) and the third bevel gear (45) of the transmission device respectively drive the seventh bevel gear (54) and the fourth bevel gear (46), the ball screws on the left side and the right side synchronously rotate, and the tray (14) is driven to lift under the action of the ball nuts (4) and the ball nut seats (3), so that the lifting of a switch is realized.
9. The liftable multipurpose 10kV switch, PT transfer trolley of claim 7, characterized in that: a left rear upright post (24), a left middle upright post and a left front upright post are arranged on the left beam (15), and a right rear upright post (34), a right middle upright post (6) and a right front upright post (13) are arranged on the right beam (1); mounting grooves are formed between the right middle upright post (6) and the right rear upright post (34) and between the left middle upright post and the left rear upright post (24) and between the left middle upright post and the left beam (15), and the screw rod is arranged in the mounting grooves through a screw rod upper bearing seat (27) and a screw rod lower bearing seat (2).
10. The liftable multipurpose 10kV switch, PT transport trolley of claim 9, wherein: guide rails are arranged on the left rear upright post (24), the left middle upright post, the left front upright post, the right rear upright post (34), the right middle upright post (6) and the right front upright post (13), and the tray slides on the guide rails through a middle upright post sliding block (7), a rear upright post bracket (33) and a rear upright post sliding block (25) which are arranged on the side surface.
CN201911158876.8A 2019-11-22 2019-11-22 Multipurpose 10kV switch, PT of liftable transport dolly Pending CN110797783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911158876.8A CN110797783A (en) 2019-11-22 2019-11-22 Multipurpose 10kV switch, PT of liftable transport dolly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911158876.8A CN110797783A (en) 2019-11-22 2019-11-22 Multipurpose 10kV switch, PT of liftable transport dolly

Publications (1)

Publication Number Publication Date
CN110797783A true CN110797783A (en) 2020-02-14

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Application Number Title Priority Date Filing Date
CN201911158876.8A Pending CN110797783A (en) 2019-11-22 2019-11-22 Multipurpose 10kV switch, PT of liftable transport dolly

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517247A (en) * 2020-04-20 2020-08-11 福建亿瑞电力科技有限公司 Switch cabinet circuit breaker transfer trolley
CN112340648A (en) * 2020-11-04 2021-02-09 杭州电力设备制造有限公司临安恒信成套电气制造分公司 A special lift truck for 12kV cubical switchboard rheology installation
CN113880007A (en) * 2021-10-20 2022-01-04 贵州航天天马机电科技有限公司 High-repeated-positioning-precision quick lifting device
CN113953272A (en) * 2021-10-21 2022-01-21 深圳市创新特科技有限公司 Automatic upper and lower hanging rack conveying trolley matched with plasma cleaning equipment
CN115010045A (en) * 2022-06-21 2022-09-06 太原福莱瑞达物流设备科技有限公司 Goods jacking device
CN115402968A (en) * 2022-09-22 2022-11-29 航天智造(上海)科技有限责任公司 Omnidirectional movement hoist mechanism with frock frame is connected
CN117401612A (en) * 2023-12-11 2024-01-16 国蓝新材料(山东)有限公司 Chemical industry storage container promotes transport machinery

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517247A (en) * 2020-04-20 2020-08-11 福建亿瑞电力科技有限公司 Switch cabinet circuit breaker transfer trolley
CN112340648A (en) * 2020-11-04 2021-02-09 杭州电力设备制造有限公司临安恒信成套电气制造分公司 A special lift truck for 12kV cubical switchboard rheology installation
CN113880007A (en) * 2021-10-20 2022-01-04 贵州航天天马机电科技有限公司 High-repeated-positioning-precision quick lifting device
CN113953272A (en) * 2021-10-21 2022-01-21 深圳市创新特科技有限公司 Automatic upper and lower hanging rack conveying trolley matched with plasma cleaning equipment
CN115010045A (en) * 2022-06-21 2022-09-06 太原福莱瑞达物流设备科技有限公司 Goods jacking device
CN115010045B (en) * 2022-06-21 2024-02-02 太原福莱瑞达物流设备科技有限公司 Goods jacking device
CN115402968A (en) * 2022-09-22 2022-11-29 航天智造(上海)科技有限责任公司 Omnidirectional movement hoist mechanism with frock frame is connected
CN117401612A (en) * 2023-12-11 2024-01-16 国蓝新材料(山东)有限公司 Chemical industry storage container promotes transport machinery
CN117401612B (en) * 2023-12-11 2024-03-12 国蓝新材料(山东)有限公司 Chemical industry storage container promotes transport machinery

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